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I've not labelled them individually, as each of them stands as a picture on its own. But if you want to know more, the first is Oliver's Castle, near Devizes, Wiltshire and the second was taken in Oxford a couple of weeks ago. The third picture shows me between a chap who's ....

Write a small code utility - a few lines - and you can simply start at the top and work through to the bottom. But as the code increases in length, you're going to want to take out common code and put that code into named blocks that can be re-used. Extending this technique, you can break all your c ....

"Of course people will use Perl - it's free". No - whilst Perl is freely distributed [under license], that's not the sole reason that people use it. Blackberries, growing in profusion on the roadside at this time of year are free, but that doesn't mean that every motorist going past is going to stop ....

Conversation from last week: "I'm taking pictures because I've never been in this area, but why are YOU taking pictures" - a delegate on my course. "Because it's a beautiful area and I take a lot of pictures" - my reply. Mikkel has sent me a link to his pictures, and I told him while he was with ....

One of the trickiest aspects of learning for newcomers to programming is to know when to split out parts of their code into named blocks. Newcomers can easily see that it's a good idea - as it means that code can be tested in smaller chunks, and that code can be shared (reused) - but it's not alway ....

Some languages used adaptive or overridden operator to perform a task depending on the operands - for example in Java, the "+" operator adds numbers, but concatenates strings, and in PHP the == operator compares numbers or strings, depending on the operand types. But in Perl 5, it's often up to the ....

On Sunday, 30th November, Santa Claus will be travelling on the train from Melksham to Swindon and back, and handing out presents to all the children. The train leaves Melksham station at a quarter past five, and will be back just before 7 O'Clock.
Tickets (7 pounds for adults and 3 pounds for ....

Here are a handful of "one line" answers from the end of the Lua Course I was running at the end of last week
• Command line parameters in Lua are available to the program in an indexed table called arg. (Sample Program)
• Functions in Lua can look at the number and type of parameters t ....

There's a great deal of learned speculation about the construction and reasons behind Silbury Hill (See Avebury) and a lot of digging has taken place over the years to research the issue - so much so that old shafts have collapsed in recent years leading to extensive remedial works.
Yet Silbury Hi ....

In a previous article, I showed you a simple example of how you can call a function that's written in C from Lua, and a second example that extended that - passing simple parameters in to the C function, and returning results.
But it's often more complex that that - for example, you may with to pas ....